createCanvas(400, 400);

}

​

function draw() {

  background(0,0,0,10);

  fill (255);

  text("press r for rectangles and c for circles",100,50);

  if (key === 'c'){

  ellipse(mouseX,mouseY,50,50);

  ellipse(400-mouseX,mouseY,50,50);

  }

  if (key === 'r'){

  rect(mouseX,mouseY,50,50);

  rect(400-mouseX,mouseY,50,50);

}

}